Behind the sweet taste of vapes, some pods hide hospital drugs like etomidate a powerful anaesthetic never meant for inhalation. , When vaped, it can cause seizures, breathing spasms, and sudden Vaping might look cool, but your body feels the burn. Regularly smoking e cigarettes and vapes can cause nausea, vomiting, dizziness, sweating, rapid heart rate, and even seizures. It's never too late to FDA investigates reports of seizures among e cigarette users PBS News E Cigarettes